/*
 * DirectoryMonitorTest.java
 * 
 * Created 26.05.2007.
 * 
 * eaio: NativeCall - calling operating system methods from Java
 * Copyright (c) 2004-2007 Johann Burkard (<mailto:jb@eaio.com>)
 * <http://eaio.com>
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */
package com.eaio.nativecall.monitor;

import java.io.File;
import java.io.IOException;
import java.util.Arrays;

import sun.misc.ServiceConfigurationError;

import junit.framework.TestCase;

/**
 * Test case for {@link DirectoryMonitor}.
 *
 * @author <a href="mailto:jb@eaio.com">Johann Burkard</a>
 * @version $Id: DirectoryMonitorTest.java 59 2008-01-24 20:17:19Z Johann $
 */
public class DirectoryMonitorTest extends TestCase {

	/**
	 * Constructor for DirectoryMonitorTest.
	 *
	 */
	public DirectoryMonitorTest() {
	}

	/**
	 * Constructor for DirectoryMonitorTest.
	 *
	 * @param arg0
	 */
	public DirectoryMonitorTest(String arg0) {
		super(arg0);
	}
	
	public void testDirectoryMonitor() throws SecurityException, UnsatisfiedLinkError, UnsupportedOperationException, IOException, ServiceConfigurationError {

		final DirectoryMonitor mon = new DirectoryMonitor(new File("."));
		final String[] contents = new File(".").list();
		Arrays.sort(contents);
		new Thread(new Runnable() {
			public void run() {
				try {
					mon.monitor();
					System.out.println("Contents have changed!");
					System.out.println("Before");
					for (int i = 0; i < contents.length; ++i) {
						System.out.println(contents[i]);
					}
					
					// Make sure changes are accessible to Java
					
					try {
						Thread.sleep(100);
					}
					catch (InterruptedException ex) {}
					
					System.out.println("After");
					String[] current = new File(".").list();
					Arrays.sort(current);
					for (int i = 0; i < current.length; ++i) {
						System.out.println(current[i]);
					}
					assertFalse(Arrays.equals(current, contents));
				}
				catch (IOException ex) {
					fail(ex.toString());
				}
				
			}
		}).start();
		
		try {
			Thread.sleep(100);
		}
		catch (InterruptedException ex) {}
		
		File tempFile = new File(new File("."), "temp");
		assertTrue(tempFile.createNewFile());
		
		try {
			Thread.sleep(500);
		}
		catch (InterruptedException ex) {}
		
		assertTrue(tempFile.delete());
		
	}

}